RUNYING Steel Group is a trusted manufacturer and direct exporter of premium 55% Galvalume Steel Coils (GL Coils / Aluzinc Steel Coils). Manufactured in strict accordance with ASTM A792, JIS G3321, and EN 10346, our galvalume coils feature a specialized alloy coating composed of 55% Aluminum, 43.4% Zinc, and 1.6% Silicon. Delivering 2 to 6 times higher corrosion resistance than standard galvanized steel (GI), our GL coils are engineered for roofing sheets, C/Z purlins, solar mounting frameworks, and architectural wall cladding.

Technical Specifications: Galvalume Coil (GL) Parameters

Key Competitive Advantages of RUNYING Galvalume Coils

1. Superior Long-Term Corrosion Resistance:

 · 25-Year Marine Lifespan: Certified under ISO 9227 salt spray testing; aluminum provides passive barrier protection while zinc offers active sacrificial protection for cut edges.

2, High Heat Reflectivity & Thermal Stability:

 · Sustains structural integrity up to 480°C without discoloration or degradation. Reflects over 75% of solar radiation, drastically reducing energy costs in industrial buildings.

3, Weight-Saving & Cost-Efficient Alternative:

 · Up to 15% thinner than conventional GI coils at equivalent corrosion performance, delivering significant structural weight savings.

4. Engineered Anti-Fingerprint (AFP) Coatings:

 · Premium AFP treatment enhances smudge resistance, corrosion defense during handling, and roll-forming paint adhesion.

Key Industry Applications

 · Solar Energy & Green Power: PV solar panel mounting brackets, inverter housings, and clean energy structures.

 · Construction & Architecture: Roofing sheets, corrugated wall panels, C/Z purlins, prefabricated structural frames.

 · Home Appliances & HVAC: Oven casings, microwave back panels, refrigerator rear plates, and HVAC ducts.

 · Agricultural Engineering: Greenhouse framing, livestock housing roofs, and ammonia-resistant storage structures.

Export Packaging & Ocean Transport Protection

All GL coils are protected with seaworthy export packaging:

 · Anti-rust paper & protective inner plastic wrapping.

 · Galvanized steel inner and outer edge protectors.

 · High-tensile radial and circumferential steel strapping on wooden pallets.

 · Shipped safely via Tianjin Port, China.

Get a Certified 55% Galvalume Coil Quote Today

Contact RUNYING Steel Group for current mill-direct pricing, MTC samples, and custom slitting options:

 · Direct Email: admin@tsrysteel.com

 · WhatsApp / Mobile: +86 15176700707

 · Official Website: http://www.tsrysteel.com

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